Apr 23, 2013 12:35am PDT
happens again. >> reporter: and caitlin had a special visitor, president barack obama. >> reporter: what did he say to you? >> he shook our hands and told us we were strong and an inspiration to other people. >> reporter: caitlin is recovering so well, she could be released this week. what message do you have for everyone watching? >> i think that life should go on. we should continue and stay strong and -- not avoid or be scared of events. because there's dangerous people out there like this. >> reporter: life going on. today investigators finished their grim work on boylston street where the attacks happened seven days ago. and handed the famous street back to the city. just another act of courage and defiance in this proud place as it struggles to get back on its feet. for "nightline," geo benitez in boston. >> as we said, boston strong, not just a slogan. our thanks to abc's gio benitez. thank you for watching abc news. ""world news now"" is coming up with the overnight breaking news. "gma" is back in the morning. as always, we're online at abcnews.com. i'm dan harris. that's "